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Discussion Starter #1
I have a problem with a buzzing sound coming from my speakers. I have a Sunfire Theater Grand I with a Sunfire Cinema Grand Amp. The buzz is present when both are turned on but stops when I turn off the Theater Grand. Everything is plugged into a Monster Power 3500 power center. I also noticed that when I turn on the pink noise to calibrate speakers the buzzing stops. My speakers are all Paradigm. I also tried disconnecting cable to the tv thinking it might be ground loop but no luck
 

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Discussion Starter #5
One other thing I forgot to mention is that occasionally when I turn my system on, I find that the Theater Grand has reset all the speaker levels back to zero. I don't know if this is related to the buzzing sound or not.
 

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the Theater Grand has problem


take it to repair
 
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